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        <td class="header">&nbsp; <span style="font-weight: bold;">Multi-Angle IEM Soil Moisture
Retrieval</span><br>
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<p class="MsoNormal" style=""><span style="" lang="EN">By taking a two-step approach, soil moisture (SM)
can be retrieved from
radar backscatter coefficients.</span></p>
<p class="MsoNormal" style=""><span style="" lang="EN">Step 1: Use IEM Multi-Angle inversion to obtain
the Real Dielectric Constant
(RDC) from radar backscatter coefficients.</span></p>
<p class="MsoNormal" style=""><span style="" lang="EN">Step 2: Invert SM dielectric model to retrieve SM
from RDC.</span></p>
<p class="MsoNormal" style=""><b><span style="" lang="EN">IEM Multi-Angle Inversion</span></b></p>
<p class="MsoNormal" style=""><span style="" lang="EN">Source product must contain both AM and PM images.</span></p>

<p class="MsoNormal" style="">The
    Multi-Angle approach utiliizes one backscatter coefficient (HH or VV)
    from each of the two images (AM or PM). &nbsp;Use can select one of
    the four possible polarization combinations.<span style="" lang="EN"></span></p>
<p class="MsoNormal" style=""><span style="" lang="EN">User can also browse for a calibrated IEM LUT.
Matlab (.mat) and CSV (.csv) formats are supported. </span></p>
<p class="MsoNormal" style=""><b><span style="" lang="EN">SM Dielectric Model</span></b></p>

<p class="MsoNormal" style="">User can choose one
    of two models: Hallikainen or Mironov.</p>

<p class="MsoNormal" style=""><span style="" lang="EN">Sand
and clay percentages are required as input for Hallikainen while
Mironov only requires clay percentage. User can choose a resampling
method to generate the bands and add them to the source product.</span></p>

<p class="MsoNormal" style=""><span style="" lang="EN">For
both models, the user can enter the SM range (minimum and maximum) for
retrieval and optionally select to output RDC as well as the land cover
bands.</span></p>

<p class="MsoNormal" style=""><span style="" lang="EN">Finally, for Mironov model only, the user needs to
enter the effective soil temperature.</span></p>

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